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defuss-shadcn / Papers / Paper Gallery / paper-chat

Built with: CSS

Chat ReplayTPL

A conversation as evidence: the paper replays it in a Session - each question appended as an anchored turn, each reply streaming in word by word under the session's streaming state. The exchange is condensed from the session that built these pages; its numbers are the ones measured there.

On this page (2)

§A session, replayed

The replay starts on its own; Replay restarts it. Questions are appended with df$.shadcn.session.append(..., { anchor: true }) and settle near the top; replies stream word by word while the session is in its streaming state (aria-busy on the log). data-animate='slide' slides each bubble in from its own side, and every word is a .session-token that fades in. Scroll up while it plays - the session lets go and the arrow brings you back.

§CSS view file

/* -- Paper -------------------------------------------------------------------
   A modern research-paper project page (the layout of the Nerfies / InternVL
   project pages) in the system's own tokens: a centered reading column for
   prose, figures and tables that may break out wider, a serif title, linked
   authors with affiliation marks, resource buttons, an abstract, numbered
   sections, captioned figures, findings, key numbers, BibTeX and a footer.
   CSS-only; the column is a named grid, so any child can opt into the wide
   track with .paper-wide. */
@layer components {
  :where(.paper, .paper *, .paper *::before, .paper *::after) {
    box-sizing: border-box;
  }
  .paper {
    --paper-measure: 46rem;
    --paper-wide: 64rem;
    --paper-gap: 2.5rem;
    display: grid;
    grid-template-columns:
      [full-start] minmax(1rem, 1fr)
      [wide-start] minmax(0, calc((var(--paper-wide) - var(--paper-measure)) / 2))
      [content-start] min(100% - 2rem, var(--paper-measure))
      [content-end] minmax(0, calc((var(--paper-wide) - var(--paper-measure)) / 2))
      [wide-end] minmax(1rem, 1fr)
      [full-end];
    row-gap: var(--paper-gap);
    padding-block: 3.5rem 0;
    background: var(--background);
    color: var(--foreground);
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.7;
    container-type: inline-size;
    & > * {
      grid-column: content;
      min-inline-size: 0;
    }
    & > .paper-wide,
    & > .paper-hero,
    & > .paper-teaser {
      grid-column: wide;
    }
    & > .paper-footer {
      grid-column: full;
    }
    & :is(p, li) {
      text-wrap: pretty;
    }
    & a:not(.btn) {
      color: inherit;
      text-decoration: underline;
      text-decoration-color: color-mix(in oklab, currentColor 35%, transparent);
      text-underline-offset: 0.2em;
    }
    & a:not(.btn):hover {
      text-decoration-color: currentColor;
    }
  }
  /* -- the title block ------------------------------------------------------ */
  .paper-hero {
    display: grid;
    justify-items: center;
    gap: 1rem;
    text-align: center;
  }
  .paper-venue {
    display: inline-flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0;
    color: var(--muted-foreground);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    letter-spacing: 0.04em;
  }
  .paper-title {
    max-inline-size: 22em;
    margin: 0;
    font-family: var(--font-serif);
    font-size: clamp(1.875rem, 4.6cqi, 3.25rem);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.02em;
    text-wrap: balance;
  }
  .paper-title-sub {
    display: block;
    margin-block-start: 0.35em;
    color: var(--muted-foreground);
    font-size: 0.55em;
    font-weight: 400;
    letter-spacing: 0;
    line-height: 1.3;
  }
  .paper-authors,
  .paper-affiliations {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.25rem 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
  }
  .paper-authors {
    font-size: 1.125rem;
    font-weight: 500;
    & sup {
      margin-inline-start: 0.1em;
      color: var(--muted-foreground);
      font-size: 0.65em;
    }
  }
  .paper-affiliations {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    & sup {
      margin-inline-end: 0.15em;
      font-size: 0.75em;
    }
  }
  .paper-note {
    margin: 0;
    color: var(--muted-foreground);
    font-size: 0.8125rem;
  }
  .paper-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-block-start: 0.5rem;
    & .btn {
      border-radius: 999px;
    }
  }
  /* -- a news line under the title ------------------------------------------ */
  .paper-news {
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
    margin: 0;
    padding: 0.875rem 1.125rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: color-mix(in oklab, var(--muted) 60%, var(--background));
    font-size: 0.9375rem;
    line-height: 1.55;
    & .badge {
      flex: none;
    }
  }
  /* -- figures ---------------------------------------------------------------- */
  .paper-teaser,
  .paper-figure {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    & > :is(img, video, svg, .diagram) {
      inline-size: 100%;
      max-inline-size: 100%;
      border-radius: var(--radius-lg);
    }
    & > :is(img, video) {
      display: block;
      block-size: auto;
      border: 1px solid var(--border);
      background: var(--muted);
    }
  }
  .paper-teaser > figcaption,
  .paper-figure > figcaption,
  .paper-table-caption {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    line-height: 1.55;
    text-align: center;
    text-align-last: auto; /* a justified section around the figure must not pull the last line left */
    text-wrap: balance;
    & b {
      color: var(--foreground);
      font-weight: 600;
    }
  }
  /* -- abstract and sections ------------------------------------------------- */
  .paper-abstract {
    display: grid;
    gap: 0.75rem;
    padding: 1.5rem 1.75rem;
    border-inline-start: 3px solid var(--primary);
    border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
    background: color-mix(in oklab, var(--muted) 50%, var(--background));
    & > h2 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: 1.375rem;
      font-weight: 500;
    }
    & > p {
      margin: 0;
      text-align: justify;
      hyphens: auto;
    }
  }
  .paper-section {
    display: grid;
    gap: 1rem;
    & > h2 {
      display: flex;
      align-items: baseline;
      gap: 0.75rem;
      margin: 0;
      padding-block-end: 0.5rem;
      border-block-end: 1px solid var(--border);
      font-family: var(--font-serif);
      font-size: 1.75rem;
      font-weight: 500;
      line-height: 1.25;
      letter-spacing: -0.01em;
      text-wrap: balance;
    }
    & > h3 {
      margin: 0.5rem 0 0;
      font-size: 1.0625rem;
      font-weight: 600;
    }
    & > p {
      margin: 0;
    }
    & > :is(ul, ol):not([class]) {
      margin: 0;
      padding-inline-start: 1.25rem;
    }
  }
  /* a block in a section keeps more room from the text than one paragraph
     from the next: the grid gap plus this margin (1.75rem in all).
     VERIFIED: (full-paper viewport probe 2026-10-07) no horizontal overflow
     at 1280 and 390 px with every section typeset; paper.e2e pins the
     variants and the two-column composition. */
  .paper-section > :is(figure, table, blockquote, pre, hr, .separator, .paper-table, .paper-figure, .paper-numbers, .paper-quote, .paper-code, .paper-findings, .typeset-group, .chart, .diagram, .mockup-code, .iframe, .data-grid, .data-tree, .session, .table-container) {
    margin-block: 0.75rem;
  }
  /* a section set as Typography's .typeset (Book page): the setting's own
     rhythm - Einzug, a lead, the gap around every block - replaces the grid
     gap, at the paper's measure */
  .paper-section.typeset {
    --typeset-measure: none;
    display: block;
    & > h2 { margin-block: 0 1rem; }
    & > h3 { margin-block: var(--typeset-gap, 1.5em) 0.5em; }
    & > p { margin-block: 0 1em; }
    &[data-indent] > p { margin-block: 0; }
    & > :is(figure, table, blockquote, pre, hr, .separator, .paper-table, .paper-figure, .paper-numbers, .paper-quote, .paper-code, .paper-findings, .typeset-group, .chart, .diagram, .mockup-code, .iframe, .data-grid, .data-tree, .session, .table-container, ul, ol) {
      margin-block: var(--typeset-gap, 1.5em); /* Typography's knob, with its default */
    }
  }
  /* inside a section, .paper-wide breaks out of the reading column to the
     wide track (100cqi = the paper's width - it is the container) */
  .paper-section > .paper-wide {
    margin-inline: calc((100% - min(var(--paper-wide), 100cqi - 2rem)) / 2);
  }
  .paper-num {
    color: var(--muted-foreground);
    font-family: var(--font-mono);
    font-size: 0.75em;
    font-weight: 500;
  }
  /* -- findings: a row of numbered cards ------------------------------------- */
  .paper-findings {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(12rem, 1fr));
    gap: 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: paper-finding;
    /* a card of flowing text: inline code and links stay inline */
    & > li {
      display: block;
      padding: 1.125rem 1.25rem;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--card);
      color: var(--card-foreground);
      font-size: 0.9375rem;
      line-height: 1.55;
      counter-increment: paper-finding;
    }
    & > li::before {
      display: block;
      margin-block-end: 0.375rem;
      content: "Finding " counter(paper-finding);
      color: var(--muted-foreground);
      font-family: var(--font-mono);
      font-size: 0.75rem;
      letter-spacing: 0.06em;
      text-transform: uppercase;
    }
    & strong {
      font-weight: 600;
    }
    /* the leading phrase is the card's title */
    & > li > strong:first-child {
      display: block;
      margin-block-end: 0.25rem;
    }
    /* a tag leads its card on a line of its own */
    & > li > .paper-tag:first-child {
      display: table;
      margin-block-end: 0.5rem;
    }
  }
  /* -- table of contents: a numbered outline in columns --------------------- */
  .paper-toc {
    display: grid;
    gap: 0.75rem;
    padding: 1.125rem 1.25rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--card);
    color: var(--card-foreground);
    & > h2 {
      margin: 0;
      color: var(--muted-foreground);
      font: 600 0.75rem/1.2 var(--font-mono);
      letter-spacing: 0.08em;
      text-transform: uppercase;
    }
    & ol {
      margin: 0;
      padding: 0;
      list-style: none;
    }
    & > ol {
      columns: 2 15rem;
      column-gap: 2rem;
    }
    & li {
      break-inside: avoid;
      padding-block: 0.125rem;
      font-size: 0.9375rem;
      line-height: 1.45;
    }
    & li li {
      padding-inline-start: 1.5rem;
      font-size: 0.875rem;
    }
    & a {
      display: flex;
      gap: 0.5rem;
      text-decoration: none;
    }
    & a:hover,
    & a:focus-visible {
      text-decoration: underline;
      text-underline-offset: 0.2em;
    }
    & .paper-num {
      flex: none;
      min-inline-size: 1.75rem;
      font-size: 0.8125rem;
    }
  }
  /* headings land below a sticky header when the ToC jumps to them */
  .paper :is(h2, h3)[id] {
    scroll-margin-block-start: 5rem;
  }
  /* -- epistemic tags (VAE-DIALECT): verified, hypothesis, unknown ---------- */
  /* solid chips in three chart colors at distinct steps; the text takes the
     contrasting end of the fill's own lightness, so every theme reads */
  .paper-tag {
    --paper-tag: var(--chart-2);
    display: inline-block;
    margin-inline-end: 0.375rem;
    padding: 0.0625rem 0.4375rem;
    border: 1px solid var(--paper-tag);
    border-radius: var(--radius-sm);
    background: var(--paper-tag);
    color: var(--background);
    font: 700 0.6875rem/1.5 var(--font-mono);
    letter-spacing: 0.04em;
    vertical-align: 0.1em;
    white-space: nowrap;
    text-indent: 0; /* an inline-block inherits a paragraph's text-indent and indents its own first line */
    &[data-tag="verified"] { --paper-tag: var(--chart-2); color: #fff; }
    &[data-tag="hypothesis"] { --paper-tag: var(--chart-1); }
    &[data-tag="unknown"] { --paper-tag: var(--chart-5); }
  }
  @supports (color: oklch(from red l c h)) {
    .paper-tag {
      /* light fill → near-black text, dark fill → white text */
      color: oklch(from var(--paper-tag) clamp(0.12, (0.64 - l) * 100, 0.99) 0 0);
      /* VERIFIED is always white on its fill; a light theme's fill is
         darkened to L 0.55, where white bold text keeps ≥ 4.5:1 */
      &[data-tag="verified"] {
        --paper-tag: oklch(from var(--chart-2) min(l, 0.55) c h);
        color: #fff;
      }
    }
  }
  .paper-tags > li::before {
    content: none;
  }
  /* -- a code record, a quotation, a chart figure ---------------------------- */
  .paper-code {
    margin: 0;
    padding: 1rem 1.25rem;
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    background: var(--muted);
    color: var(--foreground);
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    line-height: 1.65;
  }
  .paper-quote {
    margin: 0;
    padding: 0.75rem 1.25rem;
    border-inline-start: 3px solid var(--border);
    color: var(--muted-foreground);
    font-family: var(--font-serif);
    font-size: 1.0625rem;
    font-style: italic;
    line-height: 1.6;
    & p {
      margin: 0;
    }
    /* a longer quotation: paragraphs, inline code, an attribution */
    & p + p {
      margin-block-start: 0.875rem;
    }
    & strong {
      color: var(--foreground);
      font-weight: 600;
    }
    & code {
      font-style: normal;
    }
    & > footer {
      margin-block-start: 1rem;
      color: var(--muted-foreground);
      font-family: var(--font-mono);
      font-size: 0.8125rem;
      font-style: normal;
      letter-spacing: 0.02em;
    }
  }
  .paper-chart {
    inline-size: 100%;
    block-size: 20rem;
  }
  /* -- key numbers: Statistic tiles ------------------------------------------ */
  .paper-numbers {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
    gap: 1rem;
    & > .statistic {
      padding: 1rem 1.125rem;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--card);
    }
    & .statistic-value {
      font-variant-numeric: tabular-nums;
    }
  }
  /* -- tables ----------------------------------------------------------------- */
  .paper-table {
    display: grid;
    gap: 0.75rem;
    margin: 0;
    overflow-x: auto;
    & table {
      inline-size: 100%;
      font-variant-numeric: tabular-nums;
    }
    /* booktabs: a heavy rule above and below, a light one under the head */
    & table {
      border-collapse: collapse;
      border-block: 1.5px solid var(--foreground);
    }
    & thead th {
      border-block-end: 1px solid var(--border);
      font-weight: 600;
    }
    & :is(td, th) {
      padding: 0.5rem 0.75rem;
      text-align: start;
    }
    & :is(td, th)[data-num] {
      text-align: end;
    }
    & tr[data-best] > td {
      font-weight: 600;
    }
  }
  /* -- BibTeX ------------------------------------------------------------------ */
  .paper-bibtex {
    display: grid;
    gap: 0.75rem;
    & > h2 {
      margin: 0;
      font-family: var(--font-serif);
      font-size: 1.375rem;
      font-weight: 500;
    }
    /* a plain <pre> - the BibTeX component brings its own frame */
    & > pre {
      margin: 0;
      padding: 1.125rem 1.25rem;
      overflow-x: auto;
      border: 1px solid var(--border);
      border-radius: var(--radius-lg);
      background: var(--muted);
      color: var(--foreground);
      font-family: var(--font-mono);
      font-size: 0.8125rem;
      line-height: 1.6;
      tab-size: 2;
    }
  }
  /* -- footer ------------------------------------------------------------------ */
  .paper-footer {
    margin-block-start: 1.5rem;
    padding: 2rem 1rem 2.5rem;
    border-block-start: 1px solid var(--border);
    color: var(--muted-foreground);
    font-size: 0.8125rem;
    text-align: center;
    text-wrap: balance;
    & p {
      max-inline-size: var(--paper-measure);
      margin: 0 auto;
    }
    & p + p {
      margin-block-start: 0.5rem;
    }
  }
  /* -- narrow: the title block keeps its rhythm, prose loses the justify ------ */
  @container (max-width: 36rem) {
    .paper-abstract {
      padding: 1.125rem 1.25rem;
      & > p {
        text-align: start;
      }
    }
    .paper-section > h2 {
      font-size: 1.4rem;
    }
  }
  /* -- variants: the same parts in two other house styles ------------------
     classic - a printed journal: serif throughout, a narrower justified
       column, centered small-caps section heads without rules, a plain
       abstract set in from both sides;
     minimal - a lab note: everything flush start, a sans title, no tinted
       abstract and no rules under the section heads.
     A two-column body composes Typography's .typeset (data-columns) in the
     wide track - the paper needs no column mode of its own. */
  .paper[data-variant="classic"] {
    --paper-measure: 40rem;
    font-family: var(--font-serif);
    & :is(.paper-section, .paper-abstract) > p {
      text-align: justify;
      hyphens: auto;
    }
    & .paper-title {
      font-weight: 400;
      letter-spacing: 0;
    }
    & .paper-section > h2 {
      justify-content: center;
      padding-block-end: 0;
      border-block-end: 0;
      font-size: 1.125rem;
      font-weight: 600;
      font-variant-caps: small-caps;
      letter-spacing: 0.06em;
    }
    & .paper-abstract {
      padding: 0 2.5rem;
      border: 0;
      border-radius: 0;
      background: none;
      font-size: 0.9375rem;
      & > h2 {
        justify-self: center;
        font-size: 1rem;
        font-weight: 600;
        font-variant-caps: small-caps;
        letter-spacing: 0.06em;
      }
    }
  }
  /* a narrow page keeps the classic abstract's full width */
  @container (width < 32rem) {
    .paper[data-variant="classic"] .paper-abstract {
      padding-inline: 0;
    }
  }
  .paper[data-variant="minimal"] {
    & .paper-hero {
      justify-items: start;
      text-align: start;
    }
    & :is(.paper-venue, .paper-authors, .paper-affiliations, .paper-links) {
      justify-content: flex-start;
    }
    & .paper-title {
      font-family: var(--font-sans);
      font-weight: 650;
      letter-spacing: -0.03em;
    }
    & .paper-abstract {
      padding: 1rem 0 0;
      border: 0;
      border-block-start: 1px solid var(--border);
      border-radius: 0;
      background: none;
      & > h2 {
        font-family: var(--font-sans);
        font-size: 1rem;
        font-weight: 600;
      }
    }
    & .paper-section > h2 {
      padding-block-end: 0;
      border-block-end: 0;
      font-family: var(--font-sans);
      font-size: 1.375rem;
      font-weight: 600;
    }
  }
  @media (prefers-reduced-motion: reduce) {
    .paper a:not(.btn) {
      transition: none;
    }
  }
  @media (prefers-contrast: more) {
    .paper-news,
    .paper-findings > li,
    .paper-numbers > .statistic,
    .paper-bibtex pre,
    .paper-section > h2 {
      border-color: var(--foreground);
    }
    .paper :is(.paper-venue, .paper-affiliations, .paper-note, .paper-title-sub, figcaption, .paper-footer) {
      color: var(--foreground);
    }
  }
  @media (forced-colors: active) {
    .paper-abstract {
      border-inline-start-color: CanvasText;
    }
    .paper-news,
    .paper-findings > li,
    .paper-numbers > .statistic,
    .paper-bibtex pre {
      border-color: CanvasText;
    }
  }
}

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